Yes, simple physics predicts the greater kinetic energy of crashing at high speed potentially causes more severe consequences than at low speed. But it's ridiculous to claim that you are "safe" driving at speeds up to 100km/h on Hwy 407, but "unsafe" at 101km/h.That is the case with virtually every safety-based rule. They are in place to avoid potential consequences - that's the whole point. There is no data to suggest that I am not capable of driving 200km/h on every highway safely, and it would very likely be fine most of the time, but I'm still not allowed to do it because of potential consequences.
Speed alone is rarely the cause of a crash. There are many other factors which are potentially more likely to directly influence the actual risk -- highway design, traffic density, road condition, relative speeds of other vehicles, driver attentiveness (i.e. texting while driving!), vehicle maintenance, tire choice, etc etc. And yet enforcement tends to focus entirely on speed limits, since that's the simplest to monitor.
"Speed kills." Nope. It's extreme rapid changes in speed that kill.
That's just it. There is no data to support it, and never has been any data to support a 250g weight limit.I believe that this weight category (sub-250) would have data to support the weight limit.
Where is that data?Setting such limits requires both data to support it, and public policy to enforce it. Education is the best method to obtain compliance.
Intuitively one would assume that the risk of injury would be far less if struck by a sub-250g Mavic Mini, compared to being hit by a massive industrial octo-copter carrying a heavy movie camera. And yet, what is the actual risk of being killed by such an octocopter? How many times in the entire world has is happened so far? Do we have data for that? If so, how many times has it happened with a 251gram drone?
The 250 gram limit was derived entirely by hypothetical assumptions, no data whatsoever. It originated from this 2015 UAS Task Force report: www.hsdl.org/?view&did=788722